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The TESDA curriculum guide for Shielded Metal Arc Welding (SMAW) defines competencies for welding carbon steel plates and alloy steel pipes. Key skills include using welding equipment, preparing weld materials, and interpreting drawings. This program leads to a National Level II certificate, focusing on safety practices and quality standards in welding. To help prospective students, … Read more

Submerged arc welding has health hazards. Symptoms include dizziness, nausea, and irritation of the eyes, nose, and throat. Welding fumes contain harmful compounds like chromium and nickel. Cr6+ and other substances may increase cancer risk. Dust exposure may also harm pulmonary function. Proper safety measures are essential. Safety guidelines are essential for minimizing these risks. … Read more

Sub arc welding (SAW) rates differ. A single wire with a SAW tractor achieves 10 to 12 inches per minute. The gantry system can complete jobs in one to two hours. Using twin wires per welding head boosts the rate to 30 inches per minute, greatly enhancing efficiency. Additionally, modern equipment allows for automatic adjustments … Read more

Sub arc welding travel speed is the speed at which the welding torch moves across the workpiece. It directly influences heat input, deposition rate, and weld quality. Commonly measured in inches per minute (ipm), the right travel speed improves weld consistency and reduces defects, ensuring better performance with proper amperage and volts. To optimize travel … Read more

Here are essential tips for sub arc welding troubleshooting: 1. Insufficient penetration can result from low current, high voltage, or fast travel speed. 2. Excessive penetration may occur due to high current, voltage settings, or slow travel speed. 3. Weld bead irregularities often arise from uneven flux distribution. Porosity arises from trapped gas in the … Read more

Submerged arc welding generally requires 30 to 38 volts. A common setting is 32 volts. This voltage affects the weld bead shape and depth of penetration. For 12 mm thick fillet welds, use a travel speed of 24 inches per minute and 650 amps. Maintaining proper arc voltage improves weld quality and overall reliability. To … Read more

Submerged arc welding wire sizes commonly range from 1.6 mm to 4.0 mm in diameter. Standard sizes include 1.6 mm, 2.0 mm, 2.4 mm, 3.2 mm, and 4.0 mm. These wires are used for welding materials like aluminum and stainless steel. Leading brands are Lincoln Electric and Wire Wizard. They usually have a tensile strength … Read more

Submerged arc welding (SAW) is a welding method that connects metal parts using an electric arc between a workpiece and an electrode. The process protects the weld metal from atmospheric contamination by covering it with granular flux. SAW provides benefits like high weld quality, efficiency, and versatile applications. One primary benefit of SAW is reduced … Read more

Helical submerged arc welding (HSAW) is a method for joining longitudinally welded pipes. It uses granular flux to obscure the welding arc. The welding electrode functions within a gas-filled cavity. This technique produces pipes that exhibit high toughness and versatility, making it ideal for various applications. The benefits of Submerged Arc Helical Welding include high … Read more

Submerged arc micro welding is a specialized process that uses a large diameter wire and flux to produce high-quality welds. This technique improves accuracy and efficiency. It is commonly used in applications like aerospace and manufacturing. Automation in this process further increases deposition rates and ensures precision. The technique involves a welding arc that is … Read more